1. divide 6 and 6, both sides will not equal / z' \$ H, S' r+ V# B8 d. |公仔箱論壇2. take any side of the 6, divide then 3 and 3, again both sides will not equal 1 x- t0 F4 J3 M# D5 Z公仔箱論壇3. take any 2 and weigh them# l4 H3 _' u# K0 a3 n% r) v
if they equal, the one left is the ball.